<script setup lang="ts" name="ConsultIllness">
import { ref, computed, onMounted } from 'vue'
import { IllnessTime } from '@/enums'
import type { ConsultIllness, Image } from '@/types/consult'
import type { UploaderAfterRead, UploaderFileListItem } from 'vant/lib/uploader/types'
import { uploadImg } from '@/api/consult'
import { useRouter } from 'vue-router'
import { useConsultStore } from '@/stores'
import { showConfirmDialog } from 'vant'
const store = useConsultStore()
const router = useRouter()
const timeOptions = [
  { label: '一周内', value: IllnessTime.Week },
  { label: '一月内', value: IllnessTime.Month },
  { label: '半年内', value: IllnessTime.HalfYear },
  { label: '大于半年', value: IllnessTime.More }
]
const flagOptions = [
  { label: '就诊过', value: 0 },
  { label: '没就诊过', value: 1 }
]
const form = ref({
  illnessDesc: '',
  illnessTime: undefined,
  consultFlag: undefined,
  pictures: []
} as ConsultIllness)

// 上传组件相关
const fileList = ref<Image[]>([])
const afterRead: UploaderAfterRead = (data: UploaderFileListItem | UploaderFileListItem[]) => {
  const fileObj = data as UploaderFileListItem

  // 将来要上传的图片文件
  const file = fileObj.file
  if (!file) return

  // 上传
  fileObj.status = 'uploading'
  fileObj.message = '上传中...'
  uploadImg(file)
    .then(res => {
      // 设置状态
      fileObj.status = 'done'
      fileObj.message = undefined

      // 动态设置url，属性，目的是为了删除
      fileObj.url = res.data.url

      // 把数据保存到form模型中的pictures属性中
      form.value.pictures.push(res.data)
    })
    .catch(() => {
      fileObj.status = 'failed'
      fileObj.message = '上传失败'
    })
}
const delImg = (data: UploaderFileListItem) => {
  form.value.pictures = form.value.pictures.filter(item => item.url != data.url)
}

const disabled = computed(() => {
  return (
    !form.value.illnessDesc ||
    form.value.illnessTime === undefined ||
    form.value.consultFlag === undefined
  )
})

const next = () => {
  // 保存图文问诊信息到仓库
  store.setIllness(form.value)
  // 跳转到选择患者页面
  router.push('/user/patient?isSelect=1')
}

onMounted(() => {
  if (store.consult.illnessDesc) {
    showConfirmDialog({
      title: '温馨提示',
      message: '是否恢复您之前填写的病情信息呢?'
    })
      .then(() => {
        // on confirm
        // 数据决定视图（数据驱动视图）
        const { illnessDesc, illnessTime, consultFlag, pictures } = store.consult

        // 只能把描述、患病时间、是否就诊过等回显出来
        form.value = { illnessDesc, illnessTime, consultFlag, pictures }

        // 如果要想回显 van-uploader，必须要给它双向绑定的那个值fileList赋值
        fileList.value = pictures
      })
      .catch(() => {
        // on cancel
      })
  }
})
</script>

<template>
  <div class="consult-illness-page">
    <cp-nav-bar title="图文问诊" />
    <!-- 医生提示 -->
    <div class="illness-tip van-hairline--bottom">
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <div class="info">
        <p class="tit">在线医生</p>
        <p class="tip">请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助</p>
        <p class="safe"><cp-icon name="consult-safe" /><span>内容仅医生可见</span></p>
      </div>
    </div>
    <!-- 表单 -->
    <div class="illness-form">
      <van-field
        type="textarea"
        rows="3"
        placeholder="请详细描述您的病情，病情描述不能为空"
        v-model="form.illnessDesc"
      ></van-field>
      <div class="item">
        <p>本次患病多久了？</p>
        <cp-radio-button :options="timeOptions" v-model="form.illnessTime" />
      </div>
      <div class="item">
        <p>此次病情是否去医院就诊过？</p>
        <cp-radio-button :options="flagOptions" v-model="form.consultFlag" />
      </div>
      <div class="illness-img">
        <van-uploader
          upload-text="上传图片"
          upload-icon="photo-o"
          :max-count="9"
          :max-size="5 * 1024 * 1024"
          :after-read="afterRead"
          v-model="fileList"
          @delete="delImg"
        ></van-uploader>
        <p class="tip" v-if="fileList.length === 0">上传内容仅医生可见,最多9张图,最大5MB</p>
      </div>
      <van-button
        type="primary"
        :class="{ disabled }"
        :disabled="disabled"
        block
        round
        @click="next"
        >下一步</van-button
      >
    </div>
  </div>
</template>

<style lang="scss" scoped>
.consult-illness-page {
  .illness-tip {
    display: flex;
    padding: 15px;
    .img {
      width: 52px;
      height: 52px;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 10px;
    }
    .info {
      flex: 1;
      padding-left: 12px;
      .tit {
        font-size: 16px;
        margin-bottom: 5px;
      }
      .tip {
        padding: 12px;
        background: var(--cp-bg);
        color: var(--cp-text3);
        font-size: 13px;
        margin-bottom: 10px;
      }
      .safe {
        font-size: 10px;
        color: var(--cp-text3);
        display: flex;
        align-items: center;
        .cp-icon {
          font-size: 12px;
          margin-right: 2px;
        }
      }
    }
  }
  .illness-form {
    padding: 15px;
    .van-field {
      padding: 0;
      &::after {
        border-bottom: none;
      }
    }
    .item {
      > p {
        color: var(--cp-text3);
        padding: 15px 0;
      }
    }
    .illness-img {
      padding-top: 16px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      .tip {
        font-size: 12px;
        color: var(--cp-tip);
      }
      ::v-deep() {
        .van-uploader {
          &__preview {
            &-delete {
              left: -6px;
              top: -6px;
              border-radius: 50%;
              background-color: var(--cp-primary);
              width: 20px;
              height: 20px;
              &-icon {
                transform: scale(0.9) translate(-22%, 22%);
              }
            }
            &-image {
              border-radius: 8px;
              overflow: hidden;
            }
          }
          &__upload {
            border-radius: 8px;
          }
          &__upload-icon {
            color: var(--cp-text3);
          }
        }
      }
    }
  }
  .van-button {
    font-size: 16px;
    margin-bottom: 30px;
    &.disabled {
      opacity: 1;
      background: #fafafa;
      color: #d9dbde;
      border: #fafafa;
    }
  }
}
</style>
